package chapter02;

import java.util.Scanner;

public class Example20 {
     	  public static void  main (String[] args) {
			      double toothbrush=8.8;    //牙刷价格
           		  double towel=10.0;        //毛巾价格
        		  double cup=18.8; 		    //水杯价格
			      double apple=12.5;        //苹果价格
			      double banana=15.5;       //香蕉价格
                  int i=0;
                  String a="Y";
                  System.out.println("-------------黑马小商城-------------");
				  System.out.println("1.牙刷的价格为："+toothbrush+"元");
				  System.out.println("2.毛巾的价格为："+towel+"元");
				  System.out.println("3.水杯的价格为："+cup+"元");
				  System.out.println("4.苹果的价格为："+apple+"元");
				  System.out.println("5.香蕉的价格为："+banana+"元");
				  while(a.equals("Y")) {
					  Scanner sc1 = new Scanner(System.in);
					  System.out.println("请输入你需要购买商品的序列号：");
					      i=sc1.nextInt();
						  switch(i){
							  case 1:
								  System.out.println("请输入你需要购买牙刷的数量:");
								          int toothbrushnnumber=sc1.nextInt();
								          double toothbrushnnum=toothbrushnnumber*toothbrush;
										  System.out.println("你购买了牙刷"+toothbrushnnumber+"支，需要花费"+toothbrushnnum+"元");
								                  System.out.println("需要继续购买请输入Y，否则输入N");
								              a=sc1.next();
								  break;
                        			  case 2:
                            			  System.out.println("请输入你需要购买毛巾的数量:");
                             				  int towelnumber=sc1.nextInt();
                            				  double towelnum=towelnumber*towel;
                             				  System.out.println("你购买了毛巾"+towelnumber+"个，需要花费"+towelnum+"元");
                                    				  System.out.println("需要继续购买请输入Y，否则输入N");
                             				  a=sc1.next();
                             				  break;
                         			  case 3:
                            				  System.out.println("请输入你需要购买水杯的数量:");
                             				  int cupnumber=sc1.nextInt();
                             				  double cupnum=cupnumber*cup;
                            				  System.out.println("你购买了水杯"+cupnumber+"个，需要花费"+cupnum+"元");
                                     				  System.out.println("需要继续购买请输入Y，否则输入N");
                             				  a=sc1.next();
                             				  break;
                         			  case 4:
                             				  System.out.println("请输入你需要购买苹果的数量:");
                             				  int applenumber=sc1.nextInt();
                             				  double applenum=applenumber*apple;
                             				  System.out.println("你购买了苹果"+applenumber+"斤，需要花费"+applenum+"元");
                                     				  System.out.println("需要继续购买请输入Y，否则输入N");
                             				  a=sc1.next();
                             				  break;
                         			  case 5:
                             				  System.out.println("请输入你需要购买香蕉的数量:");
                             				  int banananumber=sc1.nextInt();
                             				  double banananum=banananumber*banana;
                             				 System.out.println("你购买了香蕉"+banananumber+"斤，需要花费"+banananum+"元");
                                    				  System.out.println("需要继续购买请输入Y，否则输入N");
                            				  a=sc1.next();
                             				  break;
                         			  }
                     		  }
					   System.out.println("期待您的下次光临！");
				}
  }

